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-   -   A jawa 638 problem from Georgia (http://www.horizonsunlimited.com/hubb/other-bikes-tech/a-jawa-638-problem-georgia-57128)

pale_red 14 May 2011 09:10

A jawa 638 problem from Georgia
Hi my name is Can, i am on a multi-country trip. at the moment in Georgia. actually bike is running well until now. but started burning sparks at 25-30 km. also signals not blinking regularly, frequency is changing -its more old problem, probably couse of signal regulator?-. 2 of them may be related? or spark one is just by fuell or timing? in fact i can change the fuell to probe but dont have space for 15 lt it is going to waste.

1992 jawa 638 pointer ignation.

sorry for bad english.


djadams 14 May 2011 10:15

Could be a voltage regulator problem causing both issues - does the indicator flashing frequency change with engine speed?

pale_red 15 May 2011 14:37

yes while idle more low frequency blinking, after 3000 rpm no blinking

ok then i will replace regulator

thanks, i hope it solves

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